🌱 AI Engineering · How LLMs Work (Visual First) · cozy lesson
Tokenization
8 min · 1 min read · no scary math, promise
🤖
You’ve got this. Read a little, play a little — I’ll wait. No rush.
Demo
“Tokenization is great!” → [Token][ization][ is][ great][!]. Try the animation at /animations/tokenization.
Rules: spaces count, emojis split weird, code eats tokens fast. Chunk by tokens, not chars, for RAG.
# rough estimate, use tiktoken in real apps
def est_tokens(s): return int(len(s)/4)
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Check your understanding
Correct answers earn XP (once each).
1. Tokens are…
2. Why care?
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The checkbox in the explorer turns green too — same progress.